The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 12 September 2025 06:25 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	324163	3.34%	14539	22.30	AMAZON-02, US
2	18101	215120	2.22%	690	311.77	RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
3	8151	200030	2.06%	12442	16.08	UNINET, MX
4	4155	103980	1.07%	3903	26.64	USDA-1, US
5	39891	103799	1.07%	4798	21.63	ALJAWWALSTC-AS, SA
6	58224	91934	0.95%	1161	79.19	TCI, IR
7	207990	79238	0.82%	1129	70.18	HR-CUSTOMER, IN
8	203020	75180	0.77%	1905	39.46	HOSTROYALE, IN
9	15964	69291	0.71%	161	430.38	CAMNET-AS, CM
10	7552	68027	0.70%	3958	17.19	VIETEL-AS-AP Viettel Group, VN
11	203214	66441	0.68%	810	82.03	HULUMTELE, IQ
12	335	55799	0.58%	220	253.63	DNIC-ASBLK-00306-00371, US
13	36914	53135	0.55%	590	90.06	KENET-AS, KE
14	36903	49341	0.51%	1250	39.47	MT-MPLS, MA
15	13188	47010	0.48%	1607	29.25	TRIOLAN, UA
16	197207	43753	0.45%	819	53.42	MCCI-AS, IR
17	45899	42257	0.44%	3312	12.76	VNPT-AS-VN VNPT Corp, VN
18	9829	36630	0.38%	1861	19.68	BSNL-NIB National Internet Backbone, IN
19	367	36152	0.37%	2707	13.36	DNIC-ASBLK-00306-00371, US
20	24835	36031	0.37%	1851	19.47	RAYA-AS, EG
21	11664	33254	0.34%	1240	26.82	Techtel LMDS Comunicaciones Interactivas S.A., AR
22	20598	32097	0.33%	74	433.74	CYBERSPACE-AS Autonomous System number for Cyber Space, IL
23	11492	31944	0.33%	4751	6.72	CABLEONE, US
24	28135	31912	0.33%	69	462.49	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
25	647	31788	0.33%	431	73.75	DNIC-ASBLK-00616-00665, US
26	26615	28996	0.30%	1015	28.57	TIM SA, BR
27	11830	25717	0.27%	1989	12.93	Instituto Costarricense de Electricidad y Telecom., CR
28	10620	23954	0.25%	3493	6.86	Telmex Colombia S.A., CO
29	25019	23640	0.24%	1143	20.68	SAUDINETSTC-AS, SA
30	37069	23494	0.24%	1086	21.63	MOBINIL, EG
31	55410	23136	0.24%	1142	20.26	VIL-AS-AP Vodafone Idea Ltd, IN
32	5371	23127	0.24%	282	82.01	DNIC-ASBLK-05120-05376, US
33	38266	22873	0.24%	734	31.16	VIL-AS-AP Vodafone Idea Ltd, IN
34	24863	22545	0.23%	1249	18.05	LINKdotNET-AS, EG
35	24757	22049	0.23%	482	45.74	EthioNet-AS, ET
36	12479	21920	0.23%	7590	2.89	UNI2-AS, ES
37	1501	21803	0.22%	158	137.99	DNIC-ASBLK-01500-01502, US
38	27046	21525	0.22%	498	43.22	DNIC-ASBLK-27032-27159, US
39	4755	21295	0.22%	2189	9.73	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
40	262773	21274	0.22%	256	83.10	PROXXIMA TELECOMUNICACOES SA, BR
41	136255	21096	0.22%	126	167.43	TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
42	8369	20352	0.21%	58	350.90	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
43	138754	19184	0.20%	198	96.89	KVBPL-AS-IN Kerala Vision Broad Band Private Limited, IN
44	262287	19160	0.20%	307	62.41	Latitude.sh LTDA, BR
45	37550	18526	0.19%	24	771.92	airtelcg, CG
46	44244	18282	0.19%	451	40.54	IRANCELL-AS, IR
47	9808	17939	0.18%	13411	1.34	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
48	21050	17664	0.18%	297	59.47	FAST-TELCO, KW
49	37294	17536	0.18%	138	127.07	TNM, MW
50	8796	17501	0.18%	473	37.00	FD-298-8796, US
Total		2492894	25.70%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	400552	5887.5	0.12%	2	11775	ODYACAD-ASN, US
2	396950	5800.0	0.06%	1	5800	COMSTBARTH-AS, FR
3	329312	4496.0	0.05%	1	4496	Manano-Telecommunication-SARL, TD
4	207169	4276.0	0.04%	1	4276	BRAYDEN-NET, US
5	7954	4176.3	0.13%	3	12529	IMMENSE-NETWORKS, US
6	20067	3498.0	0.04%	1	3498	NAS-GHENT, US
7	25048	2782.5	0.11%	5	11130	DSNET DSNet, GB
8	214294	2618.0	0.08%	4	7854	NOOBNET, GB
9	886	2560.0	0.03%	1	2560	SBH-IX-SERVICES, FR
10	63376	2383.0	0.05%	2	4766	TOUCHTONE-CUSTS, US
11	17794	2198.7	0.07%	13	6596	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
12	328599	2168.7	0.07%	3	6506	Amanet-SARL, TD
13	137258	1913.0	0.02%	1	1913	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
14	13341	1803.5	0.07%	5	7214	TRANQUILITY, US
15	138071	1791.0	0.02%	1	1791	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
16	149038	1619.0	0.03%	2	3238	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
17	400786	1501.0	0.02%	1	1501	PFS, US
18	37462	1436.0	0.06%	4	5744	Prestabist, TD
19	28657	1401.0	0.04%	3	4203	MD Brasil - Tecnologia da Informacao Ltda, BR
20	32826	1368.0	0.01%	1	1368	TZPRINT, US
21	267035	1339.4	0.07%	5	6697	MS TELECOM LTDA ME, BR
22	215391	1276.9	0.09%	7	8938	HOSTABIL, TR
23	265566	1256.5	0.05%	4	5026	TELESISTEMAS PENINSULARES SA DE CV, MX
24	270168	1250.0	0.03%	2	2500	Alejandro Uballe Montoya, MX
25	60647	1199.8	0.05%	4	4799	MERT-TURKOGLU-DATAHOST-INTERNET-VE-BILISIM-TEKNOLOJILERI, TR
26	264993	1189.0	0.06%	5	5945	NETLIDERES - PROVEDOR DE INTERNET EIRELI, BR
27	272772	1186.5	0.02%	2	2373	M MACHADO SIMAO FALCAO EIRELI ME, BR
28	265425	1161.0	0.01%	1	1161	NEOLINEPB TELECOM, BR
29	328178	1157.4	0.08%	16	8102	The-Computer-Hut-AS, ZA
30	267670	1155.5	0.02%	2	2311	NetLink Telecom Ltda, BR
31	266218	1137.0	0.01%	1	1137	DDL LINE TELECOM LTDA, BR
32	49565	1132.0	0.01%	1	1132	POLE-TELEKOM, TR
33	215027	1102.3	0.03%	3	3307	AS215027, TR
34	40138	1065.5	0.11%	12	10655	MDNET, US
35	204318	1038.0	0.01%	1	1038	BGPTOOLS-QA, GB
36	215238	1037.6	0.09%	8	8301	ONEMBILISIM, TR
37	52584	1033.0	0.02%	2	2066	CONNECT FIBRA, BR
38	263468	1016.0	0.02%	2	2032	RAPNET COMUNICACAO MULTIMIDIA LTDA, BR
39	328448	990.0	0.01%	1	990	Direction-Generale-Des-Impots-AS, BF
40	139383	990.0	0.02%	2	1980	IDNIC-INDOBSD-AS-ID PT. INDONESIA BISNIS DIGITAL, ID
41	269518	985.4	0.05%	5	4927	INFIBRA TELECOM SERVICOS DE COMUNICACAO E TECNOLOG, BR
42	262712	926.0	0.01%	1	926	HOSTWEB DATA CENTER E SERVICOS LTDA, BR
43	151350	922.0	0.01%	1	922	NIPPONCOMMSINC-AS-AP NIPPON COMMUNICATIONS INC., JP
44	264145	897.2	0.05%	5	4486	FACILNET PROVEDOR E SERVICOS EIRELI, BR
45	262601	877.7	0.09%	10	8777	GtNet Telecomunicacoes Ltda, BR
46	57670	847.8	0.05%	6	5087	ASOPENWAY, UA
47	28190	843.0	0.01%	1	843	FORTALNET BUREAU DE COMERCIO E SERVICOS LTDA, BR
48	215761	817.2	0.03%	4	3269	MFATIHASAN, TR
49	150442	816.0	0.02%	2	1632	BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
50	271218	802.0	0.03%
Total		87124.9	2.28%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	202.181.232.0/23	12930	0.13%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
2	207.167.116.0/22	12523	0.12%	7954 -- IMMENSE-NETWORKS, US
3	74.200.129.0/24	11759	0.12%	400552 -- ODYACAD-ASN, US
4	124.195.190.0/24	11683	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
5	130.137.231.0/24	11105	0.11%	16509 -- AMAZON-02, US
6	55.74.56.0/24	10268	0.10%	335 -- DNIC-ASBLK-00306-00371, US
7	55.74.57.0/24	10255	0.10%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.56.0/24	10157	0.10%	335 -- DNIC-ASBLK-00306-00371, US
9	55.67.56.0/24	10148	0.10%	335 -- DNIC-ASBLK-00306-00371, US
10	55.27.217.0/24	10138	0.10%	335 -- DNIC-ASBLK-00306-00371, US
11	195.24.192.0/20	9628	0.10%	15964 -- CAMNET-AS, CM
12	130.137.108.0/24	9262	0.09%	16509 -- AMAZON-02, US
13	154.72.173.0/24	9177	0.09%	15964 -- CAMNET-AS, CM
14	173.82.125.0/24	9152	0.09%	16509 -- AMAZON-02, US
15	186.83.117.0/24	9083	0.09%	10620 -- Telmex Colombia S.A., CO
16	130.137.12.0/24	9032	0.09%	16509 -- AMAZON-02, US
17	84.205.66.0/24	8512	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
18	130.137.230.0/24	8492	0.08%	16509 -- AMAZON-02, US
19	130.137.219.0/24	8213	0.08%	16509 -- AMAZON-02, US
20	67.96.211.0/24	8167	0.08%	3356 -- LEVEL3, US
21	102.210.21.0/24	8096	0.08%	328178 -- The-Computer-Hut-AS, ZA
22	130.137.79.0/24	8038	0.08%	16509 -- AMAZON-02, US
23	173.82.66.0/24	7853	0.08%	16509 -- AMAZON-02, US
24	130.137.80.0/24	7834	0.08%	16509 -- AMAZON-02, US
25	130.137.227.0/24	7555	0.08%	16509 -- AMAZON-02, US
26	173.82.67.0/24	7523	0.07%	16509 -- AMAZON-02, US
27	130.137.118.0/24	7513	0.07%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
28	130.137.127.0/24	7497	0.07%	16509 -- AMAZON-02, US
29	130.137.99.0/24	7467	0.07%	16509 -- AMAZON-02, US
30	173.82.108.0/24	7445	0.07%	16509 -- AMAZON-02, US
31	130.137.28.0/24	7424	0.07%	16509 -- AMAZON-02, US
32	130.137.26.0/24	7414	0.07%	16509 -- AMAZON-02, US
33	173.82.63.0/24	7407	0.07%	16509 -- AMAZON-02, US
34	130.137.105.0/24	7407	0.07%	16509 -- AMAZON-02, US
35	130.137.140.0/24	7394	0.07%	16509 -- AMAZON-02, US
36	130.137.130.0/24	7367	0.07%	16509 -- AMAZON-02, US
37	130.137.111.0/24	7341	0.07%	16509 -- AMAZON-02, US
38	130.137.124.0/24	7329	0.07%	16509 -- AMAZON-02, US
39	130.137.141.0/24	7161	0.07%	16509 -- AMAZON-02, US
40	130.137.150.0/24	7130	0.07%	16509 -- AMAZON-02, US
41	199.47.232.0/22	7123	0.07%	13341 -- TRANQUILITY, US
42	130.137.147.0/24	7103	0.07%	16509 -- AMAZON-02, US
43	130.137.16.0/24	7090	0.07%	16509 -- AMAZON-02, US
44	130.137.85.0/24	7085	0.07%	16509 -- AMAZON-02, US
45	168.0.128.0/22	7085	0.07%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
46	130.137.86.0/24	7058	0.07%	16509 -- AMAZON-02, US
47	130.137.133.0/24	7009	0.07%	16509 -- AMAZON-02, US
48	195.114.123.0/24	6999	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
49	165.211.25.0/24	6989	0.07%	15964 -- CAMNET-AS, CM
50	130.137.136.0/24	6983	0.07%	16509 -- AMAZON-02, US
Total		420403	4.12%

14 Day BGP Profile: 29-August-2025 00:00 - 11-September-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	25783437
Number of Prefix Updates:	9703594
Number of Prefix Withdrawals:	359303
Average Prefixes per BGP Update:	0.39
Average BGP Update Messages per second:	21.32
Average Prefix Updates per second:	8.32
Peak BGP Update Message Rate per second:	51185	(03:35:10 Fri, 29-Aug-2025)
Peak Prefix Update Rate per second:	8295	(16:49:04 Tue, 2-Sep-2025)
Peak Prefix Withdraw Rate per second:	19552	(03:35:10 Fri, 29-Aug-2025)
Prefix Count:	1044436
Updated Prefix Count:	885649
Stable Prefix Count:	158787
Origin AS Count:	77352
Updated Origin AS Count:	70919
Stable Origin AS Count:	6433
Unique Path Count:	627669
Updated Path Count:	503611
Stable Path Count:	124058

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.